Contractor's Special to McNary Dam
Detroit Dam Construction - Detroit, Oregon
Detroit Dam Construction - Detroit, Oregon
Men working under dam structure, Columbia River?
Men working on dam, Columbia River?
Diver in river during dam construction, Columbia River?
Construction of the Bonneville Dam
Construction of the Bonneville Dam
Construction of the Bonneville Dam
Construction of the Bonneville Dam
Model of the Bonneville Dam
Aerial View from 5,000 Foot Elevation - Bonneville Power and Navigation Project
Oak Grove, interior of tunnel
Oak Grove Tunnel, party of officials at northern portal
Station G, Faraday Dam
Oak Grove project, construction
Cazadero Dam
Oak Grove project, water filling pond less than one hour after closing dam
Oak Grove project, closing of gates at dam
Oak Grove project, group standing on pipe at lower portal of tunnel #2
Oak Grove project, view of dam
Oak Grove project, first load of conduit pipe at Davis Ranch
Oak Grove project, looking east across Oak Grove Meadow
Oak Grove project, Hurley-Mason Company pipe travelers being tested
Oak Grove project, coffer dam at dam site
Oak Grove project, first eight lengths of conduit line at Davis Ranch
Oak Grove project, east along conduit line with Frog Lake in forground
Oak Grove project, looking west at Frog Lake
